Baspon - CTF 81
CTF Name: Baspon
Topic: Cryptography
Flag Format: ICTF{}
CTF Link: https://t.me/ctf_invisiblehc/133
Description:
Binary has 0 and 1. But there are many cipher where you found 0 and 1.
Solution :
We firstly identified the cipher using this website: https://www.dcode.fr/cipher-identifier
The results indicated that it might be a Base37 cipher. We then attempted to decrypt it using Base37 Decoder and successfully decrypted it. Then we obtained another encrypted text, which appeared to consist of only 0 and 1.
However, it was not binary. Upon reidentifying it, the results suggested that it could be a Spoon cipher. After trying to decrypt it using a Spoon cipher decoder, we successfully found the flag.
Flag: ICTF{5P00N_15_4M4Z1NG}
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